FIX FormType name generation

Author: sescandell

Builder/Admin/EditBuilder.php

@@ -28,8 +28,8 @@ public function getYamlKey()
     public function getFormType()
     {
         return sprintf(
-            '%s\\%s\\Form\Type\\%s\\EditType',
-            $this->getVariable('namespace_prefix'),
+            '%s%s\\Form\Type\\%s\\EditType',
+            $this->getVariable('namespace_prefix') ? $this->getVariable('namespace_prefix') . '\\' : '',
             $this->getVariable('bundle_name'),
             $this->getBaseGeneratorName()
         );

Builder/Admin/ListBuilder.php

@@ -46,8 +46,8 @@ public function getYamlKey()
     public function getFormType()
     {
         return sprintf(
-            '%s\\%s\\Form\Type\\%s\\FiltersType',
-            $this->getVariable('namespace_prefix'),
+            '%s%s\\Form\Type\\%s\\FiltersType',
+            $this->getVariable('namespace_prefix') ? $this->getVariable('namespace_prefix') . '\\' : '',
             $this->getVariable('bundle_name'),
             $this->getBaseGeneratorName()
         );

Builder/Admin/NewBuilder.php

@@ -28,8 +28,8 @@ public function getYamlKey()
     public function getFormType()
     {
         return sprintf(
-            '%s\\%s\\Form\Type\\%s\\NewType',
-            $this->getVariable('namespace_prefix'),
+            '%s%s\\Form\Type\\%s\\NewType',
+            $this->getVariable('namespace_prefix') ? $this->getVariable('namespace_prefix') . '\\' : '',
             $this->getVariable('bundle_name'),
             $this->getBaseGeneratorName()
         );